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Updated: May 9, 2026

Synthesis of Ionic Liquid Based Electrolytes, Assembly of Li-ion Batteries, and Measurements of Performance at High Temperature
Published on: December 20, 2016
Application of ionic liquids in liquid chromatography and electrodriven separation
Yi Huang1, Shun Yao, Hang Song
1Department of Pharmaceutical and Biological Engineering, Sichuan University, Chengdu 610065, China.
Ionic liquids (ILs) are versatile green solvents with unique properties. This review highlights their successful applications in separation science, particularly in chromatography and capillary electrophoresis for analyzing diverse compounds.
Area of Science:
- Analytical Chemistry
- Green Chemistry
- Materials Science
Background:
- Ionic liquids (ILs) are liquid salts at room temperature, offering nonvolatility, nonflammability, and high thermal stability.
- Their excellent solvation capabilities for diverse materials make them promising green solvents.
- ILs are increasingly explored for their potential in separation science and instrumental analysis.
Purpose of the Study:
- To review the applications of ionic liquids in separation research.
- To highlight the use of ILs in high-performance liquid chromatography (HPLC) and capillary electrophoresis (CE).
- To discuss the future prospects of ILs in chromatographic and electrodriven techniques.
Main Methods:
- Literature review of studies employing ionic liquids in analytical separation techniques.
- Analysis of ILs used as stationary phases, mobile phase additives, and electroosmotic flow modifiers.
- Compilation of applications in the analysis of natural products, foods, drugs, and fine chemicals.
Main Results:
- Ionic liquids have been successfully implemented in HPLC and CE across various analytical applications.
- Their unique properties enable enhanced separation efficiency and selectivity.
- Diverse matrices including natural products, foods, and pharmaceuticals have been analyzed using IL-modified techniques.
Conclusions:
- Ionic liquids represent a significant advancement in separation science due to their tunable properties and environmental benefits.
- Their role as versatile media in chromatography and electrophoresis is well-established.
- Continued research into ILs promises further innovation in analytical methodologies for complex sample analysis.
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